WILL GIVE BRAIN The first day of summer in the southern hemisphere is December 21 or 22. What happens on that day? O Earth's southern half is tilted toward the sun. O Temperatures begin to cool off. The sun moves closer to Earth. O Daylight is shorter than on other days.

The Earth's southern half is tilted toward the sun.

Explanation:

Just as it does in the northern side of earth when summer begins, half of earth is tilted toward the sun, causing the heat and temperature common in summer. Hope this helps :)

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